Vulnerability Name:

CVE-2020-3951 (CCN-177936)

Assigned:2019-12-30
Published:2020-03-17
Updated:2020-03-24
Summary:VMware Workstation (15.x before 15.5.2) and Horizon Client for Windows (5.x and prior before 5.4.0) contain a denial-of-service vulnerability due to a heap-overflow issue in Cortado Thinprint. Attackers with non-administrative access to a guest VM with virtual printing enabled may exploit this issue to create a denial-of-service condition of the Thinprint service running on the system where Workstation or Horizon Client is installed.
CVSS v3 Severity:3.8 Low (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L)
3.3 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
3.2 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L)
2.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
1.2 Low (CCN CVSS v2 Vector: AV:L/AC:H/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-787
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-3951

Source: XF
Type: UNKNOWN
vmware-cve20203951-dos(177936)

Source: CCN
Type: VMware Security Advisory VMSA-2020-0005
VMware Workstation, Fusion, VMware Remote Console and Horizon Client updates address privilege escalation and denial-of-service vulnerabilities (CVE-2020-3950, CVE-2020-3951)

Source: MISC
Type: Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2020-0005.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:vmware:horizon_client:*:*:*:*:*:*:*:* (Version >= 5.0.0 and < 5.4.0)
  • OR cpe:/a:vmware:workstation:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.5.2)
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    vmware horizon client *
    vmware workstation *
    microsoft windows -